18157880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34919}}^1$

素因数の和:34943

約数の個数: 32

約数和(自身を含む): 43999200

約数和(自身を除く): 25841320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34919, 69838, 139676, 174595, 279352, 349190, 453947, 698380, 907894, 1396760, 1815788, 2269735, 3631576, 4539470, 9078940, 18157880]

約数ペア:

[(1, 18157880), (2, 9078940), (4, 4539470), (5, 3631576), (8, 2269735), (10, 1815788), (13, 1396760), (20, 907894), (26, 698380), (40, 453947), (52, 349190), (65, 279352), (104, 174595), (130, 139676), (260, 69838), (520, 34919)]